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The ESAF Reconstruction Framework of UHECR Events for the JEM-EUSO Mission

机译：ESAF重建uHECR事件的JEM-EUSO使命

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JEM-EUSO is a space based UV detector that will be mounted on the International Space Station (ISS) tomonitor the earth's atmosphere searching for UHECR induced extended air showers (EAS). By evaluating the fluores-cenceand Cherenkov signal on the focal surface of the instrument the arrival direction, energy and nature of the primarycan be determined. Due to the instantaneous aperture of 10 5 km 2 sr JEM-EUSO will be able to measure several hundredsof events at energies higher than 5*10 19 eV. ESAF is a software for the simulation of space based UHECR detectors. Itis configured to cover the specific aspects of the JEM-EUSO mission and to estimate its expected performance. ESAFcan simulate every step of the generation and observation of an EAS - from the fluorescence track formation, the lighttransport in the atmosphere and through the instrument to the telemetry stage. The reconstruction chain covers the dis-criminationof the recorded track from background as well as the estimation of energy, arrival direction and Xmax forthe determination of the UHECR species. In this paper we present strategies and algorithms implemented to estimate thespatial and energy resolution of JEM-EUSO as well as a selection of examples demonstrating the expected performance.
机译：JEM-EUSO是一款基于空间的UV探测器，将安装在国际空间站（ISS）的地球上搜索UHECR诱导的延长空气淋浴（EA）。通过在仪器的焦点表面上评估荧光素-CENCEAND CHERENKOV信号，确定基础扫描器的能量和性质。由于10 5公里的瞬时光圈2，SR JEM-EUSO将能够测量高于5 * 10 ev的能量的数百个事件。 ESAF是一种用于仿真基于空间的UHECR探测器的软件。 ITIS配置为涵盖JEM-EUSO使命的具体方面，并估计其预期的绩效。 ESAFCAN模拟了一代和观察EAS - 从荧光轨道形成，大气中的灯具，通过仪器到遥测阶段。重建链覆盖了从背景中记录的轨道的分布，以及能量，到达方向和Xmax的估计，从而确定uHEC物种。在本文中，我们提出了实施的策略和算法，以估算JEM-EUSO的表明和能量分辨以及展示预期性能的示例。

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